Inorganic Chemical Biology

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Opis: Inorganic Chemical Biology - Gilles Gasser

Understanding, identifying and influencing the biological systems are the primary objectives of chemical biology. From this perspective, metal complexes have always been of great assistance to chemical biologists, for example, in structural identification and purification of essential biomolecules, for visualizing cellular organelles or to inhibit specific enzymes. This inorganic side of chemical biology which continues to receive considerable attention is referred to as inorganic chemical biology.

Inorganic Chemical Biology: Principles, Techniques and Applications provides a comprehensive overview of the current and emerging role of metal complexes in chemical biology. There is a strong emphasis on fundamental theoretical chemistry and experiments which have been carried out in living cells or organisms throughout all chapters. Outlooks for the future applications of metal complexes in chemical biology are also discussed.

Topics covered include: * Metal complexes as tools for structural biology * AAS, XRF and MS as detection techniques for metals in chemical biology * Probing DNA using metal complexes * Detection of metal ions, anions and small molecules using metal complexes * Photo-release of metal ions in living cells * Metal complexes as enzyme inhibitors and catalysts in living cells

Written by a team of international experts, Inorganic Chemical Biology: Principles, Techniques and Applications is a must-have for bioinorganic, bioorganometallic and medicinal chemists as well as chemical biologists working in both academia and industry.

About the Editor xiii

List of Contributors xv

Preface xix

Acknowledgements xxi

1. New Applications of Immobilized Metal Ion Affinity Chromatography in Chemical Biology 1 Rachel Codd, Jiesi Gu, Najwa Ejje and Tulip Lifa

1.1 Introduction 1

1.2 Principles and Traditional Use 2

1.3 A Brief History 4

1.4 New Application 1: Non-protein Based Low Molecular Weight Compounds 5

1.4.1 Siderophores 6

1.4.2 Anticancer Agent: Trichostatin A 10

1.4.3 Anticancer Agent: Bleomycin 12

1.4.4 Anti-infective Agents 13

1.4.5 Other Agents 14

1.4.6 Selecting a Viable Target 15

1.5 New Application 2: Multi-dimensional Immobilized Metal Ion Affinity Chromatography 17

1.6 New Application 3: Metabolomics 20

1.7 New Application 4: Coordinate-bond Dependent Solid-phase Organic Synthesis 20

1.8 Green Chemistry Technology 21

1.9 Conclusion 23

Acknowledgments 24

References 24

2. Metal Complexes as Tools for Structural Biology 37 Michael D. Lee, Bim Graham and James D. Swarbrick

2.1 Structural Biological Studies and the Major Techniques Employed 37

2.2 What do Metal Complexes have to Offer the Field of Structural Biology? 38

2.3 Metal Complexes for Phasing in X-ray Crystallography 39

2.4 Metal Complexes for Derivation of Structural Restraints via Paramagnetic NMR Spectroscopy 41

2.4.1 Paramagnetic Relaxation Enhancement (PRE) 42

2.4.2 Residual Dipolar Coupling (RDC) 43

2.4.3 Pseudo-Contact Shifts (PCS) 43

2.4.4 Strategies for Introducing Lanthanide Ions into Bio-Macromolecules 44

2.5 Metal Complexes as Spin Labels for Distance Measurements via EPR Spectroscopy 53

2.6 Metal Complexes as Donors for Distance Measurements via Luminescence Resonance Energy Transfer (LRET) 54

2.7 Concluding Statements and Future Outlook 56

References 56

3. AAS, XRF, and MS Methods in Chemical Biology of Metal Complexes 63 Ingo Ott, Christophe Biot and Christian Hartinger

3.1 Introduction 63

3.2 Atomic Absorption Spectroscopy (AAS) 64

3.2.1 Fundamentals and Basic Principles of AAS 64

3.2.2 Instrumental and Technical Aspects of AAS 65

3.2.3 Method Development and Aspects of Practical Application 67

3.2.4 Selected Application Examples 69

3.3 Total Reflection X-Ray Fluorescence Spectroscopy (TXRF) 72

3.3.1 Fundamentals and Basic Principles of TXRF 72

3.3.2 Instrumental/Methodical Aspects of TXRF and Applications 73

3.4 Subcellular X-ray Fluorescence Imaging of a Ruthenium Analogue of the Malaria Drug Candidate Ferroquine Using Synchrotron Radiation 74

3.4.1 Application of X-ray Fluorescence in Drug Development Using Ferroquine as an Example 75

3.5 Mass Spectrometric Methods in Inorganic Chemical Biology 80

3.5.1 Mass Spectrometry and Inorganic Chemical Biology: Selected Applications 83

3.6 Conclusions 90

Acknowledgements 90

References 90

4. Metal Complexes for Cell and Organism Imaging 99 Kenneth Yin Zhang and Kenneth Kam-Wing Lo

4.1 Introduction 99

4.2 Photophysical Properties 100

4.2.1 Fluorescence and Phosphorescence 100

4.2.2 Two-photon Absorption 101

4.2.3 Upconversion Luminescence 102

4.3 Detection of Luminescent Metal Complexes in an Intracellular Environment 104

4.3.1 Confocal Laser-scanning Microscopy 104

4.3.2 Fluorescence Lifetime Imaging Microscopy 105

4.3.3 Flow Cytometry 106

4.4 Cell and Organism Imaging 107

4.4.1 Factors Affecting Cellular Uptake 107

4.4.2 Organelle Imaging 116

4.4.3 Two-photon and Upconversion Emission Imaging for Cells and Organisms 133

4.4.4 Intracellular Sensing and Labeling 136

4.5 Conclusion 143

Acknowledgements 143

References 143

5. Cellular Imaging with Metal Carbonyl Complexes 149 Luca Quaroni and Fabio Zobi

5.1 Introduction 149

5.2 Vibrational Spectroscopy of Metal Carbonyl Complexes 151

5.3 Microscopy and Imaging of Cellular Systems 154

5.3.1 Techniques of Vibrational Microscopy 155

5.4 Infrared Microscopy 155

5.4.1 Concentration Measurements with IR Spectroscopy and Spectromicroscopy 157

5.4.2 Water Absorption 158

5.4.3 Metal Carbonyls as IR Probes for Cellular Imaging 158

5.4.4 In Vivo Uptake and Reactivity of Metal Carbonyl Complexes 162

5.5 Raman Microscopy 167

5.5.1 Concentration Measurements with Raman Spectroscopy and Spectromicroscopy 169

5.5.2 Metal Carbonyls as Raman Probes for Cellular Imaging 169

5.6 Near-field Techniques 171

5.6.1 Concentration Measurements with Near-field Techniques 172

5.6.2 High-resolution Measurement of Intracellular Metal Carbonyl Accumulation by Photothermal Induced Resonance 173

5.7 Comparison of Techniques 175

5.8 Conclusions and Outlook 176

Acknowledgements 177

References 178

6. Probing DNA Using Metal Complexes 183 Lionel Marcelis, Willem Vanderlinden and Andree Kirsch-De Mesmaeker

6.1 General Introduction 183

6.2 Photophysics of Ru(II) Complexes 184

6.2.1 The First Ru(II) Complex Studied in the Literature: [Ru(bpy)3]2+ 184

6.2.2 Homoleptic Complexes 186

6.2.3 Heteroleptic Complexes 186

6.2.4 Photoinduced Electron Transfer (PET) and Energy Transfer Processes 188

6.3 State-of-the-art on the Interactions of Mononuclear Ru(II) Complexes with Simple Double-stranded DNA 190

6.3.1 Studies on Simple Double-stranded DNAs 191

6.3.2 Influence of DNA on the Emission Properties 193

6.4 Structural Diversity of the Genetic Material 194

6.4.1 Mechanical Properties of DNA 195

6.4.2 DNA Topology 195

6.4.3 SMF Study with [Ru(phen)2(PHEHAT)]2+ and [Ru(TAP)2(PHEHAT)]2+ 198

6.5 Unusual Interaction of Dinuclear Ru(II) Complexes with Different DNA Types 200

6.5.1 Reversible Interaction of [{(Ru(phen)2}2HAT]4+ with Denatured DNA 201

6.5.2 Targeting G-quadruplexes with Photoreactive [{Ru(TAP)2}2TPAC]4+ 204

6.5.3 Threading Intercalation 205

6.6 Conclusions 207

Acknowledgement 208

References 208

7. Visualization of Proteins and Cells Using Dithiol-reactive Metal Complexes 215 Danielle Park, Ivan Ho Shon, Minh Hua, Vivien M. Chen and Philip J. Hogg

7.1 The Chemistry of As(III) and Sb(III) 215

7.2 Cysteine Dithiols in Protein Function 217

7.3 Visualization of Dithiols in Isolated Proteins with As(III) 218

7.4 Visualization of Dithiols on the Mammalian Cell Surface with As(III) 218

7.5 Visualization of Dithiols in Intracellular Proteins with As(III) 219

7.6 Visualization of Tetracysteine-tagged Recombinant Proteins in Cells with As(III) 219

7.7 Visualization of Cell Death in the Mouse with Optically Labelled As(III) 220

7.7.1 Cell Death in Health and Disease 220

7.7.2 Cell Death Imaging Agents 222

7.7.3 Visualization of Cell Death in Mouse Tumours, Brain and Thrombi with Optically Labelled As(III) 223

7.8 Visualization of Cell Death in Mouse Tumours with Radio-labelled As(III) 225

7.9 Summary and Perspectives 227

References 227

8. Detection of Metal Ions, Anions and Small Molecules Using Metal Complexes 233 Qin Wang and Katherine J. Franz

8.1 How Do We See What s in a Cell? 233

8.1.1 Why Metal Complexes as Sensors? 234

8.1.2 Design Strategies for Sensors Built with Metal Complexes 234

8.1.3 General Criteria of Metal-based Sensors for Bioimaging 236

8.2 Metal Complexes for Detection of Metal Ions 236

8.2.1 Tethered Sensors for Detecting Metal Ions 237

8.2.2 Displacement Sensors for Detecting Metal Ions 240

8.2.3 MRI Contrast Agents for Detecting Metal Ions 240

8.2.4 Chemodosimeters for Metal Ions 249

8.3 Metal Complexes for Detection of Anions and Neutral Molecules 252

8.3.1 Tethered Approach: Metal Complex as Recognition Unit 255

8.3.2 Displacement Approach: Metal Complex as Quencher 258

8.3.3 Dosimeter Approach 262

8.4 Conclusions 268

Acknowledgements 268

Abbreviations 268

References 269

9. Photo-release of Metal Ions in Living Cells 275 Celina Gwizdala and Shawn C. Burdette

9.1 Introduction to Photochemical Tools Including Photocaged Complexes 275

9.2 Calcium Biochemistry and Photocaged Complexes 278

9.2.1 Strategies for Designing Photocaged Complexes for Ca2+ 278

9.2.2 Biological Applications of Photocaged Ca2+ Complexes 282

9.3 Zinc Biochemistry and Photocaged Complexes 284

9.3.1 Biochemical Targets for Photocaged Zn2+ Complexes 284

9.3.2 Strategies for Designing Photocaged Complexes for Zn2+ 286

9.4 Photocaged Complexes for Other Metal Ions 291

9.4.1 Photocaged Complexes for Copper 291

9.4.2 Photocaged Complexes for Iron 295

9.4.3 Photocaged Complexes for Other Metal Ions 297

9.5 Conclusions 298

Acknowledgment 298

References 298

10. Release of Bioactive Molecules Using Metal Complexes 309 Peter V. Simpson and Ulrich Schatzschneider

10.1 Introduction 309

10.2 Small-molecule Messengers 310

10.2.1 Biological Generation and Delivery of CO, NO, and H2S 310

10.2.2 Metal Nitrosyl Complexes for the Cellular Delivery of Nitric Oxide 311

10.2.3 CO-releasing Molecules (CORMs) 314

10.3 Photouncaging of Neurotransmitters from Metal Complexes 321

10.3.1 Caged Compounds 321

10.3.2 Uncaging of Bioactive Molecules 322

10.4 Hypoxia Activated Cobalt Complexes 324

10.4.1 Bioreductive Activation of Cobalt Complexes 324

10.4.2 Hypoxia-activated Cobalt Prodrugs of DNA Alkylators 326

10.4.3 Hypoxia-activated Cobalt Prodrugs of MMP Inhibitors 329

10.5 Summary 333

Acknowledgments 333

References 323

11. Metal Complexes as Enzyme Inhibitors and Catalysts in Living Cells 341 Julien Furrer, Gregory S. Smith and Bruno Therrien

11.1 Introduction 341

11.2 Metal-based Inhibitors: From Serendipity to Rational Design 342

11.2.1 Mimicking the Structure of Known Enzyme Binders 342

11.2.2 Coordinating Known Enzymatic Inhibitors to Metal Complexes 343

11.2.3 Exchanging Ligands to Inhibit Enzymes 344

11.2.4 Controlling Conformation by Metal Coordination 344

11.2.5 Competing with Known Metallo-Enzymatic Processes 345

11.3 The Next Generation: Polynuclear Metal Complexes as Enzyme Inhibitors 346

11.3.1 Polyoxometalates: Broad Spectrum Enzymatic Inhibitory Effects 347

11.3.2 Polynuclear G-quadruplex DNA Stabilizers: Potential Inhibitors of Telomerase 349

11.3.3 Polynuclear Polypyridyl Ruthenium Complexes: DNA Topoisomerase II Inhibitors 352

11.4 Metal Complexes as Catalysts in Living Cells 355

11.4.1 Catalysis of NAD+/NADH 355

11.4.2 Oxidation of the Thiols Cysteine and Glutathione 357

11.4.3 Cytotoxicity Controlled by Oxidation 361

11.5 Catalytic Conversion and Removal of Functional Groups 361

11.6 Catalytically Controlled Carbon Carbon Bond Formation 362

11.7 Conclusion 364

References 364

12. Other Applications of Metal Complexes in Chemical Biology 373 Tanmaya Joshi, Malay Patra and Gilles Gasser

12.1 Introduction 373

12.2 Surface Immobilization of Proteins and Enzymes 373

12.3 Metal Complexes as Artificial Nucleases 378

12.3.1 Mono- and Multinuclear Cu(II) and Zn(II) Complexes 380

12.3.2 Lanthanide Complexes 388

12.4 Cellular Uptake Enhancement Using Metal Complexes 390

12.5 Conclusions 394

Acknowledgments 394

References 394

Index 403


Szczegóły: Inorganic Chemical Biology - Gilles Gasser

Tytuł: Inorganic Chemical Biology
Autor: Gilles Gasser
Producent: John Wiley
ISBN: 9781118510025
Rok produkcji: 2014
Ilość stron: 432
Oprawa: Twarda
Waga: 0.98 kg


Recenzje: Inorganic Chemical Biology - Gilles Gasser

Zaloguj się
Przypomnij hasło
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Inorganic Chemical Biology

Understanding, identifying and influencing the biological systems are the primary objectives of chemical biology. From this perspective, metal complexes have always been of great assistance to chemical biologists, for example, in structural identification and purification of essential biomolecules, for visualizing cellular organelles or to inhibit specific enzymes. This inorganic side of chemical biology which continues to receive considerable attention is referred to as inorganic chemical biology.

Inorganic Chemical Biology: Principles, Techniques and Applications provides a comprehensive overview of the current and emerging role of metal complexes in chemical biology. There is a strong emphasis on fundamental theoretical chemistry and experiments which have been carried out in living cells or organisms throughout all chapters. Outlooks for the future applications of metal complexes in chemical biology are also discussed.

Topics covered include: * Metal complexes as tools for structural biology * AAS, XRF and MS as detection techniques for metals in chemical biology * Probing DNA using metal complexes * Detection of metal ions, anions and small molecules using metal complexes * Photo-release of metal ions in living cells * Metal complexes as enzyme inhibitors and catalysts in living cells

Written by a team of international experts, Inorganic Chemical Biology: Principles, Techniques and Applications is a must-have for bioinorganic, bioorganometallic and medicinal chemists as well as chemical biologists working in both academia and industry.

About the Editor xiii

List of Contributors xv

Preface xix

Acknowledgements xxi

1. New Applications of Immobilized Metal Ion Affinity Chromatography in Chemical Biology 1 Rachel Codd, Jiesi Gu, Najwa Ejje and Tulip Lifa

1.1 Introduction 1

1.2 Principles and Traditional Use 2

1.3 A Brief History 4

1.4 New Application 1: Non-protein Based Low Molecular Weight Compounds 5

1.4.1 Siderophores 6

1.4.2 Anticancer Agent: Trichostatin A 10

1.4.3 Anticancer Agent: Bleomycin 12

1.4.4 Anti-infective Agents 13

1.4.5 Other Agents 14

1.4.6 Selecting a Viable Target 15

1.5 New Application 2: Multi-dimensional Immobilized Metal Ion Affinity Chromatography 17

1.6 New Application 3: Metabolomics 20

1.7 New Application 4: Coordinate-bond Dependent Solid-phase Organic Synthesis 20

1.8 Green Chemistry Technology 21

1.9 Conclusion 23

Acknowledgments 24

References 24

2. Metal Complexes as Tools for Structural Biology 37 Michael D. Lee, Bim Graham and James D. Swarbrick

2.1 Structural Biological Studies and the Major Techniques Employed 37

2.2 What do Metal Complexes have to Offer the Field of Structural Biology? 38

2.3 Metal Complexes for Phasing in X-ray Crystallography 39

2.4 Metal Complexes for Derivation of Structural Restraints via Paramagnetic NMR Spectroscopy 41

2.4.1 Paramagnetic Relaxation Enhancement (PRE) 42

2.4.2 Residual Dipolar Coupling (RDC) 43

2.4.3 Pseudo-Contact Shifts (PCS) 43

2.4.4 Strategies for Introducing Lanthanide Ions into Bio-Macromolecules 44

2.5 Metal Complexes as Spin Labels for Distance Measurements via EPR Spectroscopy 53

2.6 Metal Complexes as Donors for Distance Measurements via Luminescence Resonance Energy Transfer (LRET) 54

2.7 Concluding Statements and Future Outlook 56

References 56

3. AAS, XRF, and MS Methods in Chemical Biology of Metal Complexes 63 Ingo Ott, Christophe Biot and Christian Hartinger

3.1 Introduction 63

3.2 Atomic Absorption Spectroscopy (AAS) 64

3.2.1 Fundamentals and Basic Principles of AAS 64

3.2.2 Instrumental and Technical Aspects of AAS 65

3.2.3 Method Development and Aspects of Practical Application 67

3.2.4 Selected Application Examples 69

3.3 Total Reflection X-Ray Fluorescence Spectroscopy (TXRF) 72

3.3.1 Fundamentals and Basic Principles of TXRF 72

3.3.2 Instrumental/Methodical Aspects of TXRF and Applications 73

3.4 Subcellular X-ray Fluorescence Imaging of a Ruthenium Analogue of the Malaria Drug Candidate Ferroquine Using Synchrotron Radiation 74

3.4.1 Application of X-ray Fluorescence in Drug Development Using Ferroquine as an Example 75

3.5 Mass Spectrometric Methods in Inorganic Chemical Biology 80

3.5.1 Mass Spectrometry and Inorganic Chemical Biology: Selected Applications 83

3.6 Conclusions 90

Acknowledgements 90

References 90

4. Metal Complexes for Cell and Organism Imaging 99 Kenneth Yin Zhang and Kenneth Kam-Wing Lo

4.1 Introduction 99

4.2 Photophysical Properties 100

4.2.1 Fluorescence and Phosphorescence 100

4.2.2 Two-photon Absorption 101

4.2.3 Upconversion Luminescence 102

4.3 Detection of Luminescent Metal Complexes in an Intracellular Environment 104

4.3.1 Confocal Laser-scanning Microscopy 104

4.3.2 Fluorescence Lifetime Imaging Microscopy 105

4.3.3 Flow Cytometry 106

4.4 Cell and Organism Imaging 107

4.4.1 Factors Affecting Cellular Uptake 107

4.4.2 Organelle Imaging 116

4.4.3 Two-photon and Upconversion Emission Imaging for Cells and Organisms 133

4.4.4 Intracellular Sensing and Labeling 136

4.5 Conclusion 143

Acknowledgements 143

References 143

5. Cellular Imaging with Metal Carbonyl Complexes 149 Luca Quaroni and Fabio Zobi

5.1 Introduction 149

5.2 Vibrational Spectroscopy of Metal Carbonyl Complexes 151

5.3 Microscopy and Imaging of Cellular Systems 154

5.3.1 Techniques of Vibrational Microscopy 155

5.4 Infrared Microscopy 155

5.4.1 Concentration Measurements with IR Spectroscopy and Spectromicroscopy 157

5.4.2 Water Absorption 158

5.4.3 Metal Carbonyls as IR Probes for Cellular Imaging 158

5.4.4 In Vivo Uptake and Reactivity of Metal Carbonyl Complexes 162

5.5 Raman Microscopy 167

5.5.1 Concentration Measurements with Raman Spectroscopy and Spectromicroscopy 169

5.5.2 Metal Carbonyls as Raman Probes for Cellular Imaging 169

5.6 Near-field Techniques 171

5.6.1 Concentration Measurements with Near-field Techniques 172

5.6.2 High-resolution Measurement of Intracellular Metal Carbonyl Accumulation by Photothermal Induced Resonance 173

5.7 Comparison of Techniques 175

5.8 Conclusions and Outlook 176

Acknowledgements 177

References 178

6. Probing DNA Using Metal Complexes 183 Lionel Marcelis, Willem Vanderlinden and Andree Kirsch-De Mesmaeker

6.1 General Introduction 183

6.2 Photophysics of Ru(II) Complexes 184

6.2.1 The First Ru(II) Complex Studied in the Literature: [Ru(bpy)3]2+ 184

6.2.2 Homoleptic Complexes 186

6.2.3 Heteroleptic Complexes 186

6.2.4 Photoinduced Electron Transfer (PET) and Energy Transfer Processes 188

6.3 State-of-the-art on the Interactions of Mononuclear Ru(II) Complexes with Simple Double-stranded DNA 190

6.3.1 Studies on Simple Double-stranded DNAs 191

6.3.2 Influence of DNA on the Emission Properties 193

6.4 Structural Diversity of the Genetic Material 194

6.4.1 Mechanical Properties of DNA 195

6.4.2 DNA Topology 195

6.4.3 SMF Study with [Ru(phen)2(PHEHAT)]2+ and [Ru(TAP)2(PHEHAT)]2+ 198

6.5 Unusual Interaction of Dinuclear Ru(II) Complexes with Different DNA Types 200

6.5.1 Reversible Interaction of [{(Ru(phen)2}2HAT]4+ with Denatured DNA 201

6.5.2 Targeting G-quadruplexes with Photoreactive [{Ru(TAP)2}2TPAC]4+ 204

6.5.3 Threading Intercalation 205

6.6 Conclusions 207

Acknowledgement 208

References 208

7. Visualization of Proteins and Cells Using Dithiol-reactive Metal Complexes 215 Danielle Park, Ivan Ho Shon, Minh Hua, Vivien M. Chen and Philip J. Hogg

7.1 The Chemistry of As(III) and Sb(III) 215

7.2 Cysteine Dithiols in Protein Function 217

7.3 Visualization of Dithiols in Isolated Proteins with As(III) 218

7.4 Visualization of Dithiols on the Mammalian Cell Surface with As(III) 218

7.5 Visualization of Dithiols in Intracellular Proteins with As(III) 219

7.6 Visualization of Tetracysteine-tagged Recombinant Proteins in Cells with As(III) 219

7.7 Visualization of Cell Death in the Mouse with Optically Labelled As(III) 220

7.7.1 Cell Death in Health and Disease 220

7.7.2 Cell Death Imaging Agents 222

7.7.3 Visualization of Cell Death in Mouse Tumours, Brain and Thrombi with Optically Labelled As(III) 223

7.8 Visualization of Cell Death in Mouse Tumours with Radio-labelled As(III) 225

7.9 Summary and Perspectives 227

References 227

8. Detection of Metal Ions, Anions and Small Molecules Using Metal Complexes 233 Qin Wang and Katherine J. Franz

8.1 How Do We See What s in a Cell? 233

8.1.1 Why Metal Complexes as Sensors? 234

8.1.2 Design Strategies for Sensors Built with Metal Complexes 234

8.1.3 General Criteria of Metal-based Sensors for Bioimaging 236

8.2 Metal Complexes for Detection of Metal Ions 236

8.2.1 Tethered Sensors for Detecting Metal Ions 237

8.2.2 Displacement Sensors for Detecting Metal Ions 240

8.2.3 MRI Contrast Agents for Detecting Metal Ions 240

8.2.4 Chemodosimeters for Metal Ions 249

8.3 Metal Complexes for Detection of Anions and Neutral Molecules 252

8.3.1 Tethered Approach: Metal Complex as Recognition Unit 255

8.3.2 Displacement Approach: Metal Complex as Quencher 258

8.3.3 Dosimeter Approach 262

8.4 Conclusions 268

Acknowledgements 268

Abbreviations 268

References 269

9. Photo-release of Metal Ions in Living Cells 275 Celina Gwizdala and Shawn C. Burdette

9.1 Introduction to Photochemical Tools Including Photocaged Complexes 275

9.2 Calcium Biochemistry and Photocaged Complexes 278

9.2.1 Strategies for Designing Photocaged Complexes for Ca2+ 278

9.2.2 Biological Applications of Photocaged Ca2+ Complexes 282

9.3 Zinc Biochemistry and Photocaged Complexes 284

9.3.1 Biochemical Targets for Photocaged Zn2+ Complexes 284

9.3.2 Strategies for Designing Photocaged Complexes for Zn2+ 286

9.4 Photocaged Complexes for Other Metal Ions 291

9.4.1 Photocaged Complexes for Copper 291

9.4.2 Photocaged Complexes for Iron 295

9.4.3 Photocaged Complexes for Other Metal Ions 297

9.5 Conclusions 298

Acknowledgment 298

References 298

10. Release of Bioactive Molecules Using Metal Complexes 309 Peter V. Simpson and Ulrich Schatzschneider

10.1 Introduction 309

10.2 Small-molecule Messengers 310

10.2.1 Biological Generation and Delivery of CO, NO, and H2S 310

10.2.2 Metal Nitrosyl Complexes for the Cellular Delivery of Nitric Oxide 311

10.2.3 CO-releasing Molecules (CORMs) 314

10.3 Photouncaging of Neurotransmitters from Metal Complexes 321

10.3.1 Caged Compounds 321

10.3.2 Uncaging of Bioactive Molecules 322

10.4 Hypoxia Activated Cobalt Complexes 324

10.4.1 Bioreductive Activation of Cobalt Complexes 324

10.4.2 Hypoxia-activated Cobalt Prodrugs of DNA Alkylators 326

10.4.3 Hypoxia-activated Cobalt Prodrugs of MMP Inhibitors 329

10.5 Summary 333

Acknowledgments 333

References 323

11. Metal Complexes as Enzyme Inhibitors and Catalysts in Living Cells 341 Julien Furrer, Gregory S. Smith and Bruno Therrien

11.1 Introduction 341

11.2 Metal-based Inhibitors: From Serendipity to Rational Design 342

11.2.1 Mimicking the Structure of Known Enzyme Binders 342

11.2.2 Coordinating Known Enzymatic Inhibitors to Metal Complexes 343

11.2.3 Exchanging Ligands to Inhibit Enzymes 344

11.2.4 Controlling Conformation by Metal Coordination 344

11.2.5 Competing with Known Metallo-Enzymatic Processes 345

11.3 The Next Generation: Polynuclear Metal Complexes as Enzyme Inhibitors 346

11.3.1 Polyoxometalates: Broad Spectrum Enzymatic Inhibitory Effects 347

11.3.2 Polynuclear G-quadruplex DNA Stabilizers: Potential Inhibitors of Telomerase 349

11.3.3 Polynuclear Polypyridyl Ruthenium Complexes: DNA Topoisomerase II Inhibitors 352

11.4 Metal Complexes as Catalysts in Living Cells 355

11.4.1 Catalysis of NAD+/NADH 355

11.4.2 Oxidation of the Thiols Cysteine and Glutathione 357

11.4.3 Cytotoxicity Controlled by Oxidation 361

11.5 Catalytic Conversion and Removal of Functional Groups 361

11.6 Catalytically Controlled Carbon Carbon Bond Formation 362

11.7 Conclusion 364

References 364

12. Other Applications of Metal Complexes in Chemical Biology 373 Tanmaya Joshi, Malay Patra and Gilles Gasser

12.1 Introduction 373

12.2 Surface Immobilization of Proteins and Enzymes 373

12.3 Metal Complexes as Artificial Nucleases 378

12.3.1 Mono- and Multinuclear Cu(II) and Zn(II) Complexes 380

12.3.2 Lanthanide Complexes 388

12.4 Cellular Uptake Enhancement Using Metal Complexes 390

12.5 Conclusions 394

Acknowledgments 394

References 394

Index 403

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Szczegóły: Inorganic Chemical Biology - Gilles Gasser

Tytuł: Inorganic Chemical Biology
Autor: Gilles Gasser
Producent: John Wiley
ISBN: 9781118510025
Rok produkcji: 2014
Ilość stron: 432
Oprawa: Twarda
Waga: 0.98 kg


Recenzje: Inorganic Chemical Biology - Gilles Gasser

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